Air freshener



FIG. 1 is a perspective view of an air freshener showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines shown in the drawings are for the purpose of illustrating portions of the air freshener and form no part of the claimed design. 

CLAIM The ornamental design for an air freshener, as shown and described. 